20201143430 has 32 divisors (see below), whose sum is σ = 39262557600. Its totient is φ = 7439185152.

The previous prime is 20201143427. The next prime is 20201143433. The reversal of 20201143430 is 3434110202.

It is an interprime number because it is at equal distance from previous prime (20201143427) and next prime (20201143433).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201143433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155735 + ... + 254274.

It is an arithmetic number, because the mean of its divisors is an integer number (1226954925).

Almost surely, 2^20201143430 is an apocalyptic number.

20201143430 is a deficient number, since it is larger than the sum of its proper divisors (19061414170).

20201143430 is a wasteful number, since it uses less digits than its factorization.

20201143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410408.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20201143430 its reverse (3434110202), we get a palindrome (23635253632).

The spelling of 20201143430 in words is "twenty billion, two hundred one million, one hundred forty-three thousand, four hundred thirty".